Function messageHash

Deterministic Message Hashing as defined in 14/WAKU2-MESSAGE

Computes a SHA-256 hash of the concatenation of pubsub topic, payload, content topic, meta, and timestamp.

Example

import { messageHash } from "@waku/core";

const pubsubTopic = "/waku/2/default-waku/proto";
const message = {
  payload: new Uint8Array([1, 2, 3, 4]),
  contentTopic: "/waku/2/default-content/proto",
  meta: new Uint8Array([5, 6, 7, 8]),
  timestamp: new Date()
};

const hash = messageHash(pubsubTopic, message);
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